... Brush For Power ToolsApplication1.Power tools brush;2.Automobile, motorcycle brush and brush holders assembly;3.Household appliance brush;4.Industry traction motor brush;5.Locomotive brush ... spark.3,long life& durable.4,we could offer brush with auto5,It is suitable for power tools.6. ... tools and Household Physical and chemical indicators of carbon brush:ModelDensityg/cm3Resistivity µΩm50hourswearmm>=